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Q: 97 × 97 = ?
- A. 9391
- B. 9409
- C. 9049
- D. 9309
Correct Answer:
Option B - From the given expression,
97 × 97 = (97)²
(100–3)² = (100)² + (3)² – 2 × 100 × 3
= 10000 + 9 – 600
= 9409
B. From the given expression,
97 × 97 = (97)²
(100–3)² = (100)² + (3)² – 2 × 100 × 3
= 10000 + 9 – 600
= 9409
Explanations:
From the given expression, 97 × 97 = (97)² (100–3)² = (100)² + (3)² – 2 × 100 × 3 = 10000 + 9 – 600 = 9409Address
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